45451 has 8 divisors (see below), whose sum is σ = 53504. Its totient is φ = 37800.

The previous prime is 45439. The next prime is 45481. The reversal of 45451 is 15454.

45451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

45451 is a nontrivial binomial coefficient, being equal to C(302, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45451 - 2⁹ = 44939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (45481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 376.

It is an arithmetic number, because the mean of its divisors is an integer number (6688).

2⁴⁵⁴⁵¹ is an apocalyptic number.

45451 is the 301-st triangular number and also the 151-st hexagonal number.

45451 is the 101-st centered nonagonal number.

45451 is a deficient number, since it is larger than the sum of its proper divisors (8053).

45451 is a wasteful number, since it uses less digits than its factorization.

45451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its digits is 400, while the sum is 19.

The square root of 45451 is about 213.1924013655. The cubic root of 45451 is about 35.6873648554.

It can be divided in two parts, 454 and 51, that added together give a palindrome (505).

The spelling of 45451 in words is "forty-five thousand, four hundred fifty-one".